All Photos(1)

17814

Sigma-Aldrich

Lactose

tested according to Ph. Eur.

Synonym(s):
Lactosum
Empirical Formula (Hill Notation):
C12H22O11
CAS Number:
Molecular Weight:
342.30
Beilstein:
93796
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

Agency/Method

USP/NF
tested according to Ph. Eur.

SMILES string

OC[C@@H](O)[C@@H](O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C=O

InChI

1S/C12H22O11/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12/h1,4-12,14-21H,2-3H2/t4-,5+,6+,7+,8-,9-,10+,11+,12-/m0/s1

InChI key

DKXNBNKWCZZMJT-JVCRWLNRSA-N

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Storage Class Code

13 - Non Combustible Solids

WGK Germany

WGK 2

Flash Point F

Not applicable

Flash Point C

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

T M Bayless et al.
The New England journal of medicine, 292(22), 1156-1159 (1975-05-29)
We studied 166 hospitalized male patients to determine the clinical importance of tolerance-test-determined "lactose intolerance," assumed to affect most of the world's adults. Abnormal lactose tolerance tests were found in 81% of 98 blacks, 12% of 59 whites of Scandinavian...
Lactose intolerance following extensive small intestinal resection.
A J Richards et al.
The British journal of surgery, 58(7), 493-494 (1971-07-01)
C L Wells et al.
Infection and immunity, 55(11), 2689-2694 (1987-11-01)
It is thought that the normal enteric microflora acts not only to prevent intestinal colonization but also to prevent subsequent systemic dissemination of ingested, potentially pathogenic bacteria. To determine the relative roles of specific components of the intestinal bacterial flora...
P Wong et al.
Biotechnology progress, 13(2), 132-143 (1997-03-01)
A mathematical model of the lactose (lac) operon was developed to study diauxic growth on glucose and lactose. The model includes catabolite repression, inducer exclusion, lactose hydrolysis to glucose and galactose, and synthesis and degradation of allolactose. Two models for...
J Boya et al.
Journal of anatomy, 175, 229-236 (1991-04-01)
A lectin-histochemical study on microglial development has been performed on the rat central nervous system. Isolectin B4 from the Griffonia simplicifolia (GSA I-B4) and Ricinus communis agglutinin-120 (RCA-1) were used as labelling lectins. Our results demonstrate the existence of microglial...

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